Perna perna: Population traits

at T = 20 °C with background hazards for embryo, larva, juv, adult: 0, 0, 0, 0 1/d

Ln survival probability as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
Ln survivor function of the stable age distribution as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
model abj f_minf f_max date: 2025/05/20
symbol units thin falsethin truethin falsethin truethin falsethin truedescription
f - 0.173277 0.173277 0.586638 0.586638 1 1 scaled functional response
r 1/d 0 0 0.0487009 0.000529428 0.080942 NaN spec pop growth rate
t2 d NaN NaN 14.2327 1309.24 8.5635 NaN population doubling time
a_b d 2.62517 2.62517 2.14391 2.14391 1.97416 NaN age at birth
t_j d 44.059 44.059 15.0897 15.0897 10.2298 NaN time since birth at metam
t_p d 1822.05 1822.05 263.467 263.467 167.738 NaN time since birth at puberty
S_b - 1 1 1 1 1 NaN survival probability at birth
S_j - 1 0.671346 1 0.385553 1 NaN survival probability at metam
S_p - 0.999996 0.00124621 0.999999 0.00122094 1 NaN survival probability at puberty
theta_0b - 0.000675462 0.283332 0.0988003 0.486806 0.147236 NaN frac of ind that is embryo
theta_bj - 0.000678178 0.234628 0.089349 0.314792 0.125936 NaN frac of ind between b and j
theta_jp - 0.0107039 0.47839 0.37967 0.196541 0.354243 NaN frac of ind between j and p
theta_pi - 0.987942 0.00365054 0.43218 0.00186121 0.372585 NaN frac of ind that is adult
L_bi cm 0.473612 0.004595 0.0483173 0.00402828 0.0418656 NaN mean structural length of post-natals
L2_bi cm^2 0.238364 0.000364127 0.0061808 9.86357e-05 0.00485517 NaN mean squared structural length of post-natals
L3_bi cm^3 0.122351 0.000164148 0.00119199 3.67965e-05 0.000871515 NaN mean cubed structural length of post-natals
Ww_bi g 0.136776 0.0001835 0.00166778 5.14841e-05 0.00146451 NaN mean wet weight of post-natals
L_pi cm 0.478962 0.177842 0.0918556 0.0916675 0.0854228 NaN mean structural length of adults
L2_pi cm^2 0.241109 0.0682183 0.0127835 0.0225985 0.0109911 NaN mean squared structural length of adults
L3_pi cm^3 0.12376 0.0322048 0.00248402 0.0101172 0.0019929 NaN mean cubed structural length of adults
Ww_pi g 0.138351 0.0360017 0.00347553 0.0141556 0.0033489 NaN mean wet weight of adults
R 1/d 0 0 0 0 0 NaN mean reproduction rate of adults
J_X g/d 0.0019536 2.88463e-06 0.00017217 2.41424e-06 0.000230543 NaN mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 0.109375 0.109375 NaN yield of faeces on food
Y_VX mol/mol 0 0 0.337172 0.00806923 0.305983 NaN yield of living structure on food
Y_VX_d mol/mol 0.0203336 0.0522113 2.64877e-06 0.19933 8.24206e-07 NaN yield of dead structure on food
Y_EX mol/mol 0 0 0.134584 0.00322089 0.208195 NaN yield of living reserve on food
Y_EX_d mol/mol 0.00239733 0.0061557 1.05727e-06 0.0795637 5.60801e-07 NaN yield of dead reserve on food
Y_CX mol/mol 0.867894 0.832258 0.418865 0.600442 0.376446 NaN yield of CO2 on food
Y_HX mol/mol 0.629705 0.603849 0.30391 0.435654 0.273132 NaN yield of H2O on food
Y_OX mol/mol -0.943835 -0.905081 -0.455516 -0.65298 -0.409385 NaN yield of O2 on food
Y_NX mol/mol 0.130184 0.124839 0.0628297 0.0900662 0.0564669 NaN yield of N-waste on food
mu_TX J/mol 461015 443009 229891 323269 205001 NaN yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female are the same.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer